<template>
    <div id="app">
        <!--切换页面-->
        <router-view/>
    </div>
</template>

<style>

    nav {
        padding: 30px;
    }

    nav a {
        font-weight: bold;
        color: #2c3e50;
    }

    nav a.router-link-exact-active {
        color: #42b983;
    }


</style>
